simulator/app/DeviceWindow.cpp - platform/development - Git at Google

 //
 // Copyright 2005 The Android Open Source Project
 //
 // Displays output from the device.
 //

 // For compilers that support precompilation, include "wx/wx.h".
 #include "wx/wxprec.h"

 // Otherwise, include all standard headers
 #ifndef WX_PRECOMP
 # include "wx/wx.h"
 #endif
 #include "wx/image.h"   // needed for Windows build
 #include "wx/dcbuffer.h"

 #include "AssetStream.h"
 #include "DeviceWindow.h"
 #include "MyApp.h"
 #include "Preferences.h"

 BEGIN_EVENT_TABLE(DeviceWindow, wxWindow)
     EVT_SIZE(DeviceWindow::OnSize)
     EVT_ERASE_BACKGROUND(DeviceWindow::OnErase)
     EVT_PAINT(DeviceWindow::OnPaint)
     EVT_KEY_DOWN(DeviceWindow::OnKeyDown)
     EVT_KEY_UP(DeviceWindow::OnKeyUp)

     EVT_LEFT_DOWN(DeviceWindow::OnMouseLeftDown)
     EVT_LEFT_DCLICK(DeviceWindow::OnMouseLeftDown)
     EVT_LEFT_UP(DeviceWindow::OnMouseLeftUp)
     EVT_RIGHT_DOWN(DeviceWindow::OnMouseRightDown)
     EVT_RIGHT_DCLICK(DeviceWindow::OnMouseRightDown)
     EVT_RIGHT_UP(DeviceWindow::OnMouseRightUp)
     EVT_MOTION(DeviceWindow::OnMouseMotion)

     EVT_USER_EVENT(DeviceWindow::OnUserEvent)
 END_EVENT_TABLE()


 /*
  * Create a new DeviceWindow.  This should be a child of PhoneWindow.
  *
  * Note the DeviceManager may not be fully initialized yet.
  */
 DeviceWindow::DeviceWindow(wxWindow* parent, DeviceManager* pDM)
     : wxWindow(parent, wxID_ANY, wxDefaultPosition, wxDefaultSize,
         wxNO_BORDER | wxWANTS_CHARS),
       mpDeviceManager(pDM)
 {
     //printf("DW: created (parent=%p DM=%p)\n", parent, pDM);

     SetBackgroundStyle(wxBG_STYLE_CUSTOM);

     // create a trivial bitmap so we have something allocated
     mBitmap.Create(1, 1);

 }

 /*
  * Destructor.
  */
 DeviceWindow::~DeviceWindow(void)
 {
 }

 /*
  * We don't want to trap key or mouse events here.
  *
  * event.Skip() didn't seem to do the trick, so we call AddPendingEvent()
  * to add it to the parent's input queue.
  */
 void DeviceWindow::OnKeyDown(wxKeyEvent& event)
 {
     //printf("DW: down: %d\n", event.GetKeyCode());
     GetParent()->AddPendingEvent(event);
 }
 void DeviceWindow::OnKeyUp(wxKeyEvent& event)
 {
     //printf("DW:   up: %d\n", event.GetKeyCode());
     GetParent()->AddPendingEvent(event);
 }

 /*
  * Handle mouse events.  We want to pass these up to the PhoneWindow, since
  * that's where the "touch screen" code is.
  */
 void DeviceWindow::OnMouseLeftDown(wxMouseEvent& event)
 {
     ClampMouse(&event);
     GetParent()->AddPendingEvent(event);
 }
 void DeviceWindow::OnMouseLeftUp(wxMouseEvent& event)
 {
     ClampMouse(&event);
     GetParent()->AddPendingEvent(event);
 }
 void DeviceWindow::OnMouseRightDown(wxMouseEvent& event)
 {
     ClampMouse(&event);
     GetParent()->AddPendingEvent(event);
 }
 void DeviceWindow::OnMouseRightUp(wxMouseEvent& event)
 {
     ClampMouse(&event);
     GetParent()->AddPendingEvent(event);
 }
 void DeviceWindow::OnMouseMotion(wxMouseEvent& event)
 {
     ClampMouse(&event);
     GetParent()->AddPendingEvent(event);
 }

 /*
  * Clamp the mouse movement to the window bounds.
  */
 void DeviceWindow::ClampMouse(wxMouseEvent* pEvent)
 {
     wxWindow* pEventWindow = (wxWindow*) pEvent->GetEventObject();
     int width, height;

     pEventWindow->GetSize(&width, &height);
     if (pEvent->m_x < 0)
         pEvent->m_x = 0;
     else if (pEvent->m_x >= width)
         pEvent->m_x = width-1;

     if (pEvent->m_y < 0)
         pEvent->m_y = 0;
     else if (pEvent->m_y >= height)
         pEvent->m_y = height-1;
 }


 /*
  * Handle a "user event".  We get these when the runtime wants us to
  * know that it has a new frame of graphics to display.
  *
  */
 void DeviceWindow::OnUserEvent(UserEvent& event)
 {
     wxBitmap* pBitmap;
     long displayIndex;

     displayIndex = (long) event.GetData();

     //printf("GOT UAE %d\n", displayIndex);

     // a displayIndex of -1 means just update the onion skin
     if (displayIndex >= 0) {
         /* get a newly-allocated bitmap with converted image data */
         pBitmap = mpDeviceManager->GetImageData(displayIndex);

         /* do a ptr/refcount assignment to hold the data */
         mBitmap = *pBitmap;
         /* delete the temporary object; does not delete the bitmap storage */
         delete pBitmap;
     }

     if (displayIndex >= -1) {
         mHasOnionSkinBitmap = false;

         Preferences* pPrefs = ((MyApp*)wxTheApp)->GetPrefs();
         assert(pPrefs != NULL);

         bool overlayOnionSkin;
         char* onionSkinFileName = NULL;

         bool overlayOnionSkinExists = pPrefs->GetBool("overlay-onion-skin", &overlayOnionSkin);
         if (overlayOnionSkinExists && overlayOnionSkin) {
             bool fileNameExists = pPrefs->GetString("onion-skin-file-name", &onionSkinFileName);
             if (fileNameExists && *onionSkinFileName) {
                 wxImage onionSkinImage(wxString::FromAscii(onionSkinFileName));
                 onionSkinImage.SetAlpha(NULL);
                 bool hasAlpha = onionSkinImage.HasAlpha();
                 int width = onionSkinImage.GetWidth();
                 int height = onionSkinImage.GetHeight();
                 if (hasAlpha) {
                     unsigned char *alpha = onionSkinImage.GetAlpha();
                     int alphaVal = 127;
                     pPrefs->GetInt("onion-skin-alpha-value", &alphaVal);
                     for (int i = (width * height) - 1; i >= 0; i--) {
                         alpha[i] = alphaVal;
                     }
                 }
                 mOnionSkinBitmap = wxBitmap(onionSkinImage);
                 mHasOnionSkinBitmap = true;
             }
         }
     }

     /* induce an update */
     Refresh();
 }

 /*
  * Window has been moved or resized.
  *
  * We get this when the model of phone is changed.
  *
  * FIX: in the future this only happens when the phone is rotated 90deg.
  */
 void DeviceWindow::OnSize(wxSizeEvent& WXUNUSED(event))
 {
     int width, height;

     GetClientSize(&width, &height);
     printf("Sim: device window resize: %dx%d\n", width, height);

     mBitmap.Create(width, height);

     wxMemoryDC memDC;
     memDC.SelectObject(mBitmap);

     wxColour backColor(96, 122, 121);
     memDC.SetBrush(wxBrush(backColor));
     memDC.SetPen(wxPen(backColor, 1));
     wxRect windowRect(wxPoint(0, 0), GetClientSize());
     memDC.DrawRectangle(windowRect);
 }

 /*
  * No need to erase the background.
  */
 void DeviceWindow::OnErase(wxEraseEvent& WXUNUSED(event))
 {
     //printf("erase device\n");
 }

 /*
  * Repaint the simulator output.
  */
 void DeviceWindow::OnPaint(wxPaintEvent& WXUNUSED(event))
 {
     wxPaintDC dc(this);

     /* draw background image */
     dc.DrawBitmap(mBitmap, 0, 0, TRUE);

     /* If necessary, draw onion skin image on top */
     if (mHasOnionSkinBitmap) {
         dc.DrawBitmap(mOnionSkinBitmap, 0, 0, TRUE);
     }

 #if 0
     // debug - draw the corners
     int xoff = 0;
     int yoff = 0;
     int width;
     int height;
     GetClientSize(&width, &height);

     dc.SetPen(*wxGREEN_PEN);
     dc.DrawLine(xoff,           yoff+9,         xoff,           yoff);
     dc.DrawLine(xoff,           yoff,           xoff+10,        yoff);
     dc.DrawLine(xoff+width-10,  yoff,           xoff+width,     yoff);
     dc.DrawLine(xoff+width-1,   yoff,           xoff+width-1,   yoff+10);
     dc.DrawLine(xoff,           yoff+height-10, xoff,           yoff+height);
     dc.DrawLine(xoff,           yoff+height-1,  xoff+10,        yoff+height-1);
     dc.DrawLine(xoff+width-1,   yoff+height-10, xoff+width-1,   yoff+height);
     dc.DrawLine(xoff+width-1,   yoff+height-1,  xoff+width-11,  yoff+height-1);
 #endif
 }
	//
	// Copyright 2005 The Android Open Source Project
	//
	// Displays output from the device.
	//

	// For compilers that support precompilation, include "wx/wx.h".
	#include "wx/wxprec.h"

	// Otherwise, include all standard headers
	#ifndef WX_PRECOMP
	# include "wx/wx.h"
	#endif
	#include "wx/image.h" // needed for Windows build
	#include "wx/dcbuffer.h"

	#include "AssetStream.h"
	#include "DeviceWindow.h"
	#include "MyApp.h"
	#include "Preferences.h"

	BEGIN_EVENT_TABLE(DeviceWindow, wxWindow)
	EVT_SIZE(DeviceWindow::OnSize)
	EVT_ERASE_BACKGROUND(DeviceWindow::OnErase)
	EVT_PAINT(DeviceWindow::OnPaint)
	EVT_KEY_DOWN(DeviceWindow::OnKeyDown)
	EVT_KEY_UP(DeviceWindow::OnKeyUp)

	EVT_LEFT_DOWN(DeviceWindow::OnMouseLeftDown)
	EVT_LEFT_DCLICK(DeviceWindow::OnMouseLeftDown)
	EVT_LEFT_UP(DeviceWindow::OnMouseLeftUp)
	EVT_RIGHT_DOWN(DeviceWindow::OnMouseRightDown)
	EVT_RIGHT_DCLICK(DeviceWindow::OnMouseRightDown)
	EVT_RIGHT_UP(DeviceWindow::OnMouseRightUp)
	EVT_MOTION(DeviceWindow::OnMouseMotion)

	EVT_USER_EVENT(DeviceWindow::OnUserEvent)
	END_EVENT_TABLE()


	/*
	* Create a new DeviceWindow. This should be a child of PhoneWindow.
	*
	* Note the DeviceManager may not be fully initialized yet.
	*/
	DeviceWindow::DeviceWindow(wxWindow* parent, DeviceManager* pDM)
	: wxWindow(parent, wxID_ANY, wxDefaultPosition, wxDefaultSize,
	wxNO_BORDER \| wxWANTS_CHARS),
	mpDeviceManager(pDM)
	{
	//printf("DW: created (parent=%p DM=%p)\n", parent, pDM);

	SetBackgroundStyle(wxBG_STYLE_CUSTOM);

	// create a trivial bitmap so we have something allocated
	mBitmap.Create(1, 1);

	}

	/*
	* Destructor.
	*/
	DeviceWindow::~DeviceWindow(void)
	{
	}

	/*
	* We don't want to trap key or mouse events here.
	*
	* event.Skip() didn't seem to do the trick, so we call AddPendingEvent()
	* to add it to the parent's input queue.
	*/
	void DeviceWindow::OnKeyDown(wxKeyEvent& event)
	{
	//printf("DW: down: %d\n", event.GetKeyCode());
	GetParent()->AddPendingEvent(event);
	}
	void DeviceWindow::OnKeyUp(wxKeyEvent& event)
	{
	//printf("DW: up: %d\n", event.GetKeyCode());
	GetParent()->AddPendingEvent(event);
	}

	/*
	* Handle mouse events. We want to pass these up to the PhoneWindow, since
	* that's where the "touch screen" code is.
	*/
	void DeviceWindow::OnMouseLeftDown(wxMouseEvent& event)
	{
	ClampMouse(&event);
	GetParent()->AddPendingEvent(event);
	}
	void DeviceWindow::OnMouseLeftUp(wxMouseEvent& event)
	{
	ClampMouse(&event);
	GetParent()->AddPendingEvent(event);
	}
	void DeviceWindow::OnMouseRightDown(wxMouseEvent& event)
	{
	ClampMouse(&event);
	GetParent()->AddPendingEvent(event);
	}
	void DeviceWindow::OnMouseRightUp(wxMouseEvent& event)
	{
	ClampMouse(&event);
	GetParent()->AddPendingEvent(event);
	}
	void DeviceWindow::OnMouseMotion(wxMouseEvent& event)
	{
	ClampMouse(&event);
	GetParent()->AddPendingEvent(event);
	}

	/*
	* Clamp the mouse movement to the window bounds.
	*/
	void DeviceWindow::ClampMouse(wxMouseEvent* pEvent)
	{
	wxWindow* pEventWindow = (wxWindow*) pEvent->GetEventObject();
	int width, height;

	pEventWindow->GetSize(&width, &height);
	if (pEvent->m_x < 0)
	pEvent->m_x = 0;
	else if (pEvent->m_x >= width)
	pEvent->m_x = width-1;

	if (pEvent->m_y < 0)
	pEvent->m_y = 0;
	else if (pEvent->m_y >= height)
	pEvent->m_y = height-1;
	}


	/*
	* Handle a "user event". We get these when the runtime wants us to
	* know that it has a new frame of graphics to display.
	*
	*/
	void DeviceWindow::OnUserEvent(UserEvent& event)
	{
	wxBitmap* pBitmap;
	long displayIndex;

	displayIndex = (long) event.GetData();

	//printf("GOT UAE %d\n", displayIndex);

	// a displayIndex of -1 means just update the onion skin
	if (displayIndex >= 0) {
	/* get a newly-allocated bitmap with converted image data */
	pBitmap = mpDeviceManager->GetImageData(displayIndex);

	/* do a ptr/refcount assignment to hold the data */
	mBitmap = *pBitmap;
	/* delete the temporary object; does not delete the bitmap storage */
	delete pBitmap;
	}

	if (displayIndex >= -1) {
	mHasOnionSkinBitmap = false;

	Preferences* pPrefs = ((MyApp*)wxTheApp)->GetPrefs();
	assert(pPrefs != NULL);

	bool overlayOnionSkin;
	char* onionSkinFileName = NULL;

	bool overlayOnionSkinExists = pPrefs->GetBool("overlay-onion-skin", &overlayOnionSkin);
	if (overlayOnionSkinExists && overlayOnionSkin) {
	bool fileNameExists = pPrefs->GetString("onion-skin-file-name", &onionSkinFileName);
	if (fileNameExists && *onionSkinFileName) {
	wxImage onionSkinImage(wxString::FromAscii(onionSkinFileName));
	onionSkinImage.SetAlpha(NULL);
	bool hasAlpha = onionSkinImage.HasAlpha();
	int width = onionSkinImage.GetWidth();
	int height = onionSkinImage.GetHeight();
	if (hasAlpha) {
	unsigned char *alpha = onionSkinImage.GetAlpha();
	int alphaVal = 127;
	pPrefs->GetInt("onion-skin-alpha-value", &alphaVal);
	for (int i = (width * height) - 1; i >= 0; i--) {
	alpha[i] = alphaVal;
	}
	}
	mOnionSkinBitmap = wxBitmap(onionSkinImage);
	mHasOnionSkinBitmap = true;
	}
	}
	}

	/* induce an update */
	Refresh();
	}

	/*
	* Window has been moved or resized.
	*
	* We get this when the model of phone is changed.
	*
	* FIX: in the future this only happens when the phone is rotated 90deg.
	*/
	void DeviceWindow::OnSize(wxSizeEvent& WXUNUSED(event))
	{
	int width, height;

	GetClientSize(&width, &height);
	printf("Sim: device window resize: %dx%d\n", width, height);

	mBitmap.Create(width, height);

	wxMemoryDC memDC;
	memDC.SelectObject(mBitmap);

	wxColour backColor(96, 122, 121);
	memDC.SetBrush(wxBrush(backColor));
	memDC.SetPen(wxPen(backColor, 1));
	wxRect windowRect(wxPoint(0, 0), GetClientSize());
	memDC.DrawRectangle(windowRect);
	}

	/*
	* No need to erase the background.
	*/
	void DeviceWindow::OnErase(wxEraseEvent& WXUNUSED(event))
	{
	//printf("erase device\n");
	}

	/*
	* Repaint the simulator output.
	*/
	void DeviceWindow::OnPaint(wxPaintEvent& WXUNUSED(event))
	{
	wxPaintDC dc(this);

	/* draw background image */
	dc.DrawBitmap(mBitmap, 0, 0, TRUE);

	/* If necessary, draw onion skin image on top */
	if (mHasOnionSkinBitmap) {
	dc.DrawBitmap(mOnionSkinBitmap, 0, 0, TRUE);
	}

	#if 0
	// debug - draw the corners
	int xoff = 0;
	int yoff = 0;
	int width;
	int height;
	GetClientSize(&width, &height);

	dc.SetPen(*wxGREEN_PEN);
	dc.DrawLine(xoff, yoff+9, xoff, yoff);
	dc.DrawLine(xoff, yoff, xoff+10, yoff);
	dc.DrawLine(xoff+width-10, yoff, xoff+width, yoff);
	dc.DrawLine(xoff+width-1, yoff, xoff+width-1, yoff+10);
	dc.DrawLine(xoff, yoff+height-10, xoff, yoff+height);
	dc.DrawLine(xoff, yoff+height-1, xoff+10, yoff+height-1);
	dc.DrawLine(xoff+width-1, yoff+height-10, xoff+width-1, yoff+height);
	dc.DrawLine(xoff+width-1, yoff+height-1, xoff+width-11, yoff+height-1);
	#endif
	}